Q. Assertion: The term tautomerism was introduced by Maxwell in order to explain the chemical reactivity of a substance according to two possible structures.
Reason: Metamers can also be chain isomers or position isomers.

 2641  218 AIIMSAIIMS 1999Organic Chemistry – Some Basic Principles and Techniques Report Error

Solution:

Metamers differ in nature of alkyl groups attached to the same functional group. e.g.